package sohu.com;
public class Triangle {
   double sideA,sideB,sideC;
   public double getArea() {
      double p = (sideA+sideB+sideC)/2.0;
      double area = Math.sqrt(p*(p-sideA)*(p-sideB)*(p-sideC));
      return area;
   }
   public void setSides(double a,double b,double c) {
      sideA = a;
      sideB = b;
      sideC = c;
   }

}
